<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>圆形菜单</title>
    <link href="https://cdn.bootcdn.net/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
</head>
<style>
	* {
	    margin: 0;
	    padding: 0;
	}
	
	body {
	    background-color: black;
	    height: 100vh;
	}
	
	.menu-toggler {
	    position: absolute;
	    display: block;
	    top: 0;
	    bottom: 0;
	    left: 0;
	    right: 0;
	    margin: auto;
	    width: 40px;
	    height: 40px;
	    z-index: 2;
	    opacity: 0;
	    cursor: pointer;
	}
	
	.menu-toggler:hover+label,
	.menu-toggler:hover+label::before,
	.menu-toggler:hover+label::after {
	    background: #fff;
	}
	
	.menu-toggler:checked+label {
	    background: transparent;
	}
	
	.menu-toggler:checked+label::before,
	.menu-toggler:checked+label::after {
	    top: 0;
	    width: 40px;
	    transform-origin: 50% 50%;
	}
	
	.menu-toggler:checked+label::before {
	    transform: rotate(45deg);
	}
	
	.menu-toggler:checked+label::after {
	    transform: rotate(-45deg);
	}
	
	.menu-toggler:checked~ul .menu-item {
	    opacity: 1;
	}
	
	.menu-toggler:checked~ul .menu-item:nth-child(1) {
	    transform: rotate(0deg) translateX(-110px);
	}
	
	.menu-toggler:checked~ul .menu-item:nth-child(2) {
	    transform: rotate(60deg) translateX(-110px);
	}
	
	.menu-toggler:checked~ul .menu-item:nth-child(3) {
	    transform: rotate(120deg) translateX(-110px);
	}
	
	.menu-toggler:checked~ul .menu-item:nth-child(4) {
	    transform: rotate(180deg) translateX(-110px);
	}
	
	.menu-toggler:checked~ul .menu-item:nth-child(5) {
	    transform: rotate(240deg) translateX(-110px);
	}
	
	.menu-toggler:checked~ul .menu-item:nth-child(6) {
	    transform: rotate(300deg) translateX(-110px);
	}
	
	.menu-toggler:checked~ul .menu-item a {
	    pointer-events: auto;
	}
	
	.menu-toggler+label {
	    width: 40px;
	    height: 5px;
	    display: block;
	    z-index: 1;
	    border-radius: 2.5px;
	    background: rgba(255, 255, 255, 0.7);
	    transition: transform 0.5s, top 0.5s;
	    position: absolute;
	    top: 0;
	    bottom: 0;
	    left: 0;
	    right: 0;
	    margin: auto;
	}
	
	.menu-toggler+label::before,
	.menu-toggler+label::after {
	    width: 40px;
	    height: 5px;
	    display: block;
	    z-index: 1;
	    border-radius: 2.5px;
	    background: rgba(255, 255, 255, 0.7);
	    transition: transform 0.5s, top 0.5s;
	    content: "";
	    position: absolute;
	    left: 0;
	}
	
	.menu-toggler+label::before {
	    top: 10px;
	}
	
	.menu-toggler+label::after {
	    top: -10px;
	}
	
	.menu-item:nth-child(1) a {
	    transform: rotate(0deg);
	}
	
	.menu-item:nth-child(2) a {
	    transform: rotate(-60deg);
	}
	
	.menu-item:nth-child(3) a {
	    transform: rotate(-120deg);
	}
	
	.menu-item:nth-child(4) a {
	    transform: rotate(-180deg);
	}
	
	.menu-item:nth-child(5) a {
	    transform: rotate(-240deg);
	}
	
	.menu-item:nth-child(6) a {
	    transform: rotate(-30deg);
	}
	
	.menu-item {
	    position: absolute;
	    display: block;
	    top: 0;
	    bottom: 0;
	    left: 0;
	    right: 0;
	    margin: auto;
	    width: 80px;
	    height: 80px;
	    opacity: 0;
	    transition: 0.5s;
	}
	
	.menu-item a {
	    display: block;
	    width: inherit;
	    height: inherit;
	    line-height: 80px;
	    color: rgba(255, 255, 255, 0.7);
	    background: rgba(255, 255, 255, 0.2);
	    border-radius: 50%;
	    text-align: center;
	    text-decoration: none;
	    font-size: 40px;
	    pointer-events: none;
	    transition: 0.2s;
	}
	
	.menu-item a:hover {
	    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
	    color: #fff;
	    background: rgba(255, 255, 255, 0.3);
	    font-size: 45px;
	}
</style>
<body>
    <nav class="menu">
        <input type="checkbox" class="menu-toggler" id="menu_toggler" checked>
        <label for="menu_toggler"></label>
        <ul>
            <li class="menu-item">
                <a href="#"><i class="fa fa-qq" aria-hidden="true"></i></a>
            </li>
            <li class="menu-item">
                <a href="#"><i class="fa fa-weixin" aria-hidden="true"></i></a>
            </li>
            <li class="menu-item">
                <a href="#"><i class="fa fa-weibo" aria-hidden="true"></i></a>
            </li>
            <li class="menu-item">
                <a href="#"><i class="fa fa-tencent-weibo" aria-hidden="true"></i></a>
            </li>
            <li class="menu-item">
                <a href="#"><i class="fa fa-telegram" aria-hidden="true"></i></a>
            </li>
            <li class="menu-item">
                <a href="#"><i class="fa fa-renren" aria-hidden="true"></i></a>
            </li>
        </ul>
    </nav>
</body>

</html>